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Título

Half-lives of rp-process waiting point nuclei

AutorSarriguren, Pedro ; Álvarez-Rodríguez, Raquel ; Moya de Guerra, Elvira
Palabras clave[PACS] Hartree-Fock and random-phase approximations
[PACS] Relation with nuclear matrixelements and nuclear structure
[PACS] Nucleosynthesis in novae, supernovae and other explosive environments
Fecha de publicación12-abr-2005
EditorSocietà Italiana di Fisica
Springer
CitaciónEuropean Physical Journal A 24(2): 193-198 (2005)
ResumenWe give results of microscopic calculations for the half-lives of various proton-rich nuclei in the mass region A = 60-90, which are involved in the astrophysical rp-process, and which are needed as input parameters of numerical simulations in Nuclear Astrophysics. The microscopic formalism consists of a deformed QRPA approach that involves a self-consistent quasiparticle deformed Skyrme Hartree-Fock basis and residual spin-isospin separable forces in both the particle-hole and particle-particle channels. The strength of the particle-hole residual interaction is chosen to be consistent with the Skyrme effective force and mean-field basis, while that of the particle-particle is globally fixed to  = 0:07 MeV after a judicious choice from comparison to experimental half-lives. We study and discuss the sensitivity of the half-lives to deformation and residual interactions.
Descripción6 pages, 1 table, 4 figures.-- PACS nrs.: 21.60.Jz; 23.40.Hc; 26.30.+k.-- Printed version published May, 2005.-- ArXiv pre-print available at: http://arxiv.org/abs/nucl-th/0503079v1
Versión del editorhttp://dx.doi.org/10.1140/epja/i2004-10146-1
URIhttp://hdl.handle.net/10261/15893
DOI10.1140/epja/i2004-10146-1
ISSN1434-6001 (Print)
1434-601X (Online)
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